semi合集-English.pdf - 第6205页
SEMI G42-0996 © SEMI 1986, 2004 8 Figure 5 Thermal Test Board — 0.5 mm Pitch Quad Flat Package Unit: mm 1. Materi al — Epoxy Glass 1.52–1.65 mm thic kness, FR- 4 (Green). Co pper Clad. 28.3 g (1 Oz.) 1/1 2. Gold-Plat ed …
SEMI G42-0996 © SEMI 1986, 2004 7
Figure 4
Thermal Test Board — 0.4 mm Pitch Quad Flat Package
Unit: mm
1. Material — Epoxy Glass 1.52–1.65 mm thickness, FR-4 (Green). Copper Clad. 28.3 g (1 Oz.) 1/1
2. Gold-Plated Fingers — 0.8 µm Min. Thickness, 18 on Each Side
3. Fabricate — IPC-D-320, Class III
4. Tolerance — ± 0.1 mm (Unless noted)
5. Fingers on Component Side of Board — Designed as A thru R, Fingers on Solder Side of Board — Designated
as 1 thru 18 (with 18 at Right When Viewing Face of Board)
6. All Holes Plated Thru
7. Mates with Dale Connector Part Number EB 7D-A18GFX or Equivalent
SEMI G42-0996 © SEMI 1986, 2004 8
Figure 5
Thermal Test Board — 0.5 mm Pitch Quad Flat Package
Unit: mm
1. Material — Epoxy Glass 1.52–1.65 mm thickness, FR-4 (Green). Copper Clad. 28.3 g (1 Oz.) 1/1
2. Gold-Plated Fingers — 0.8 µm Min. Thickness, 18 on Each Side
3. Fabricate — IPC-D-320, Class III
4. Tolerance — ± 0.1 mm (Unless noted)
5. Fingers on Component Side of Board — Designed as A thru R, Fingers on Solder Side of Board — Designated
as 1 thru 18 (with 18 at Right When Viewing Face of Board)
6. All Holes Plated Thru
7. Mates with Dale Connector Part Number EB 7D-A18GFX or Equivalent
SEMI G42-0996 © SEMI 1986, 2004 9
Figure 6
Thermal Test Board — 0.65 mm Pitch Quad Flat Package
Unit: mm
1. Material — Epoxy Glass 1.52–1.65 mm thickness, FR-4 (Green). Copper Clad. 28.3 g (1 Oz.) 1/1
2. Gold-Plated Fingers — 0.8 µm Min. Thickness, 18 on Each Side
3. Fabricate — IPC-D-320, Class III
4. Tolerance — ± 0.1 mm (Unless noted)
5. Fingers on Component Side of Board — Designed as A thru R, Fingers on Solder Side of Board — Designated
as 1 thru 18 (with 18 at Right When Viewing Face of Board)
6. All Holes Plated Thru
7. Mates with Dale Connector Part Number EB 7D-A18GFX or Equivalent